Protective case for an electronic device



FIG. 1 is a top perspective view of the protective case showing the new design;

FIG. 2 is a bottom perspective view of the protective case showing the new design;

FIG. 3 is a top plan view of the protective case;

FIG. 4 is a bottom plan view of the protective case;

FIG. 5 is a front elevational view of the protective case;

FIG. 6 is a rear elevational view of the protective case;

FIG. 7 is a left side elevational view of the protective case;

FIG. 8 is a right side elevational view of the protective case;

FIG. 9 is a top plan view of the bottom section of the protective case shown separately for clarity of illustration only;

FIG. 10 is a bottom plan view of the top section of the protective case shown separately for clarity of illustration only; and,

FIG. 11 is a perspective view of the protective case shown attached to a notebook computer.

Broken lines shown in the drawings illustrate portions of the protective case and notebook computer, and form no part of the claimed design. 

The ornamental design for the protective case for an electronic device, as shown and described. 